Respuesta :

just plug in the numbers for the variables
[tex]a. \: 1 + ( - 4) + ( - 3) \\ b. \: 1 + ( - 4) - (2 \times ( - 3)) \\ c. \: 1 + (3 \times ( - 4)) - (2 \times ( - 3))[/tex]
Does this help?